DMA 030A 7101-D Bosch Rexroth Indramat
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MPN: 1070079654
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The Bosch Rexroth Indramat DMA 030A 7101-D is a 3-phase servo drive module from the DMA Servo Drive Modules series. This module supports one axis positioning and uses air cooling through the backplane. It provides a maximum current of 35 Arms at 4 kHz and has a nonregulated DC link of 715 VDC. The unit measures 504 mm in height, 50 mm in width, 288 mm in depth, and has a mass of 7.3 kg.
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Product Description:
The DMA 030A 7101-D is a servo drive module manufactured by Bosch Rexroth Indramat in the DMA Servo Drive Modules series. The unit is a three-phase module for synchronous and asynchronous motors and installs on an RMA/DM 30 backplane. It supplies current for a single axis, and the integrated one-axis positioning function allows the module to execute moves locally instead of relying on an external controller for every motion step. In packaging lines, handling systems, or indexing stations, the module converts motion commands received over the CANrho interface into controlled torque and speed changes at the motor, supporting repeatable axis behavior during start, stop, and positioning sequences.
The front plate spans 50 mm in width, reaches 504 mm in height, and projects 288 mm in depth, so the drive occupies a narrow but tall slot beside other DMA units. The housing layout supports dense rack installation while still leaving room for airflow through the cabinet structure. Transport weight is 7.3 kg, allowing installation on standard backplane mechanics without additional supports. Internal dissipation is limited to 180 W, and this heat is removed by air flowing through the backplane rather than by a liquid cooling circuit. A 24 V auxiliary supply of 1.23 A keeps the control electronics active when the main power stage is disabled, which allows communication and control functions to remain available during shutdown of the power section.
Current and link-voltage capabilities establish the operating range of the module. With a 4 kHz switching frequency, the axis can supply up to 35 Arms during overload events and sustain 18 Arms in closed-loop service. At 8 kHz, it can momentarily deliver 32 Arms, while its continuous limit drops to 12 Arms to manage switching losses. Energy is distributed on the common DC bus at a regulated potential of 670 VDC, while a separate non-regulated 715 VDC rail feeds the capacitor bank. This shared bus arrangement allows multiple DMA modules to operate from the same central power infrastructure without changing the overall backplane concept.
Frequently Asked Questions about DMA 030A 7101-D:
Q: What type of positioning function does the DMA 030A 7101-D offer?
A: The DMA 030A 7101-D features one axis positioning as an additional function.
Q: What is the maximum current output of the DMA 030A 7101-D at 4 kHz?
A: This module provides a maximum output current of 35 Arms at 4 kHz for overload situations.
Q: How is the DMA 030A 7101-D servo drive module cooled?
A: The DMA 030A 7101-D uses air cooling through the backplane for thermal management.
Q: What type of setpoint interface does the DMA 030A 7101-D support?
A: The CANrho setpoint interface is supported on this module for communication and control.
Q: What is the module width of the DMA 030A 7101-D servo drive?
A: For backplane mounting, the DMA 030A 7101-D requires a module width of 50 mm.
